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001'/31 . . UNITED STATES DEPARTMENT OF THE INTERIOR BUREAU OF RECLAMATION, REGION --/ 4 /.,-- NOTICE OF INITIATION OF INVESTIGATION Name of in~estigation: Basalt Project -- a potential participating project to the Colorado River Storage Project. Location of investigation: In the Rosring Fork River Basin in Garfield, Eagle, and Pitkin Counties of west-central Colorado. Date invesigations initiated: Covered in reconnaissance scope as the Cattle Creek Unit of Cliffs-Divide Project dated February 1954 and in the Reudi-Western Slope Investigations dated December 1962. Topographic maps of the conduit line were contracted for FY 1966. Feasibility investigations to be initiated in FY 1967. Probable date of completion of feasibility report: FY 1971. 1. Scope of investigation: Tb determine the feasibility of utiliz- ing water from Ruedi Reservoir, an authorized feature of the Fryingpan- Arkansas Project, now under construction, plus natural flows of local streams for irrigation, fish and wildlife, municipal and industrial, and recreation uses. About 14,500 acres of full service and 6,500 acres of presently irrigated land could be served. 2. Problems: Tb divert water from Ruedi Reservoir to the project area will require approximately 22 miles of expensive conduit. A term- inal storage reservoir is needed st the terminus of this conduit to re- regulate the flows and reduce conveyance costs. The enlargement of the existing Spring Park Reservoir has been planned to provide storage, but the pervious foundation underlying the reservoir basin presents problems. An extensive lateral system will be required. 3. Prospective solutions: Studies will determine most feasible route for conduit from Ruedi Reservoir. A search should also be made for an adequate substitute to Spring Park Reservoir as this reservoir cannot be enlarged. A detailed land classification will be required to identify land suitable for irrigation. A potential plan of devel- opment would include a conduit from Ruedi Reservoir to a terminal storage reservoir and main canals to serve the project areas. 4. Participation by local, State, and Federal a~encies: Interested agencies are requested to forward, within 30 days, an expression of inter- est in the investigation, to inform us of pertinent data that can be made available for our use, and to furnish comments and suggestions. Partici- pation in fish and wildlife, recreation, and water quality aspects of the investigation is desired by appropriate Federal agencies. Prepared: October 25, 1966 Transmitted: November I, 1966 /I '. & ~ ~(.. tf ~ e... h <' Paul Willmore Regional Project Development Engineer ~~ ~ A.A.. Ll.AJdP David L. ndall - Regional Director